Matt Parker talks about numbers - as he often does. His book "Humble Pi" is at: http://bit.ly/Humble_Pi More links & stuff in full description below ↓↓↓ The book on Amazon: https://amzn.to/2NKposg Numberphile podcast is on your podcast player. Or the website is: https://www.numberphile.com/podcast And it's on YouTube too: http://bit.ly/Numberphile_Pod_Playlist The Knight's Tour T-Shirt is in our Teespring store: null A bit of extra footage from this interview: https://www.youtube.com/watch?v=LsBQhfkw5ag More videos with Matt: http://bit.ly/Matt_Videos Transcendental Numbers with Simpon Pampena: https://www.youtube.com/watch?v=seUU2bZtfgM The Mile of Pi: https://www.youtube.com/watch?v=0r3cEKZiLmg Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science. https://www.simonsfoundation.org/outreach/science-sandbox/ And support from Math For America - https://www.mathforamerica.org/ NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub Videos by Brady Haran. Editing of this video by Pete McPartlan. Patreon: http://www.patreon.com/numberphile Numberphile T-Shirts: null Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/ Brady's latest videos across all channels: http://www.bradyharanblog.com/ Sign up for (occasional) emails: http://eepurl.com/YdjL9 Yes we went for the sometimes English spelling constructable... Constructible is more common and probably better!